Home / 1,905.57-2,627.55-1,792.58

Finding the Fourth Proportional to 1,905.57, 2,627.55 and 1,792.58

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Solution

The fourth proportional to 1,905.57, 2,627.55 and 1,792.58 is: 2,471.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905.57 : 2,627.55 = 1,792.58 : x
  2. Step 2: Convert to fraction form
    1,905.57/2,627.55 = 1,792.58/x
  3. Step 3: Cross multiply
    1,905.57x = 2,627.55 × 1,792.58
  4. Step 4: Simplify right side
    1,905.57x = 4,710,080.44
  5. Step 5: Solve for x
    x = 4,710,080.44/1,905.57
  6. Step 6: Final answer
    x = 2,471.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.